Nate Cooper is a fictional character from the Australian soap opera Home and Away, played by Kyle Pryor. The character made his first screen appearance on 26 September 2013. Pryor originally auditioned for another character before he was offered the role of Nate. He had to keep his involvement with the show a secret prior to arriving on-screen. The actor had moved from another country for work which made him similar to his character. Nate is characterised as a career driven and respected doctor. He comes to work Northern Districts Hospital because he had longed to work in a busy emergency department. Personally he is calm and collected with a love of kayaking.

Ricky Sharpe is a fictional character from the Australian soap opera Home and Away, played by Bonnie Sveen. The actress previously made a guest appearance in the show as Hayley Doven in 2010. She also auditioned for the role of Bianca Scott, before she was cast as Ricky in early 2013. She made her first screen appearance during the episode broadcast on 2 April 2013. In April 2016, it was announced Sveen had left Home and Away after three years to pursue new acting roles, and she made her screen exit on 7 June 2016.